Noa Pinter-Wollman writes: "Did you notice the dead neivamyrmex at the bottom...?" Neivamyrmex (Army Ants) have no fixed nest; they attack and plunder the nests of other ants, including Messors. Female Messor alates (winged forms) have larger heads than the pinheaded male alates. See my 2010 adventure for more images: <http://capturethelight.zenfolio.com/100725>;